{"uid":"cap_z-ZKru_0aYKQdLamw1mel","slug":"survey-response-weights-adjacent-row-changes-equal-width-histogram-86c31c5f","name":"Survey Response Weights — Adjacent Row Changes + Equal-Width Histogram","description":"Survey response weights — Adjacent row changes + Equal-width histogram: Adjacent row changes + Equal-width histogram for supplied survey response weights records (response_value, sample_weight). Up to 200 rows; 2 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 2 supplied-data reports for up to 200 rows.","url":"https://market.datapackvibe.com/x402/assistant-ib26-economics-24-156?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"bins":{"type":"integer","default":5,"maximum":30,"minimum":1},"rows":{"type":"array","items":{"type":"object","required":["row_id","region","date","response_value","sample_weight"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"region":{"type":"string","default":"","maxLength":80},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"sample_weight":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"response_value":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","region":"group-a","row_id":"row-1","sample_weight":1,"response_value":10},{"date":"2026-10-02","region":"group-b","row_id":"row-2","sample_weight":2,"response_value":20},{"date":"2026-10-03","region":"group-a","row_id":"row-3","sample_weight":3,"response_value":15},{"date":"2026-10-04","region":"group-b","row_id":"row-4","sample_weight":4,"response_value":30}],"maxItems":200,"minItems":1},"field":{"enum":["response_value","sample_weight"],"type":"string","default":"response_value"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_v3LuFyhrDiBLv_OgdzGMk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes two analytical reports on survey response weight data: adjacent row-to-row change analysis and an equal-width histogram, for up to 200 rows.","exampleAgentPrompt":"I have survey response data with sample weights — 4 rows across group-a and group-b from October 2026 — and I want two reports: adjacent row-to-row changes and an equal-width histogram with 5 bins on the response_value field.","exampleUseCases":[{"title":"Survey panel weight distribution analysis","prompt":"I've got 150 survey rows with response values and sample weights by region and date. Can you run an adjacent row change analysis plus a 10-bin equal-width histogram on the response_value field so I can see how responses are distributed and how they shift row by row?"},{"title":"Weighted response drift monitoring","prompt":"I need to check if sample weights in my survey dataset are drifting row by row — can you run the adjacent row changes report plus a histogram with 8 bins on the sample_weight field for my 80 survey records?"},{"title":"Economics survey summary for regional groups","prompt":"Here are 200 survey responses from two regional groups with dates and sample weights from our economics study — please give me an adjacent change report and a 5-bin equal-width histogram on response_value so I can spot any outliers and see the overall distribution."}],"resultDescription":"Two analytical reports: (1) an adjacent row changes report showing value deltas between consecutive rows for the selected field, and (2) an equal-width histogram report showing bin boundaries and frequency counts for the chosen field across up to 200 survey records.","failureModes":["Exceeding 200 rows returns a validation error","Invalid date format (non YYYY-MM-DD) causes rejection","Missing required fields (row_id, response_value, sample_weight) causes schema validation failure","Bin count outside 1–30 range returns an error","Null values in selected field may affect computation accuracy"],"whenToPreferThis":"Choose this endpoint when you need both sequential row-change analysis and histogram binning on survey response or sample weight data in a single call, without needing external data lookups or live prediction — ideal for offline survey dataset QA, economics research summarization, or data pipeline validation steps.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-04T18:49:38.836Z","isFirstParty":false,"canonicalSlug":"survey-response-weights-adjacent-row-changes-equal-width-histogram-86c31c5f"}